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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 544 } | 544 } |
| 545 | 545 |
| 546 | 546 |
| 547 void MacroAssembler::CallStub(CodeStub* stub, TypeFeedbackId ast_id) { | 547 void MacroAssembler::CallStub(CodeStub* stub, TypeFeedbackId ast_id) { |
| 548 ASSERT(AllowThisStubCall(stub)); // Calls are not allowed in some stubs | 548 ASSERT(AllowThisStubCall(stub)); // Calls are not allowed in some stubs |
| 549 Call(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, ast_id); | 549 Call(stub->GetCode(isolate()), RelocInfo::CODE_TARGET, ast_id); |
| 550 } | 550 } |
| 551 | 551 |
| 552 | 552 |
| 553 void MacroAssembler::TailCallStub(CodeStub* stub) { | 553 void MacroAssembler::TailCallStub(CodeStub* stub) { |
| 554 ASSERT(allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe()); | 554 ASSERT(allow_stub_calls_ || |
| 555 stub->CompilingCallsToThisStubIsGCSafe(isolate())); |
| 555 Jump(stub->GetCode(isolate()), RelocInfo::CODE_TARGET); | 556 Jump(stub->GetCode(isolate()), RelocInfo::CODE_TARGET); |
| 556 } | 557 } |
| 557 | 558 |
| 558 | 559 |
| 559 void MacroAssembler::StubReturn(int argc) { | 560 void MacroAssembler::StubReturn(int argc) { |
| 560 ASSERT(argc >= 1 && generating_stub()); | 561 ASSERT(argc >= 1 && generating_stub()); |
| 561 ret((argc - 1) * kPointerSize); | 562 ret((argc - 1) * kPointerSize); |
| 562 } | 563 } |
| 563 | 564 |
| 564 | 565 |
| 565 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) { | 566 bool MacroAssembler::AllowThisStubCall(CodeStub* stub) { |
| 566 if (!has_frame_ && stub->SometimesSetsUpAFrame()) return false; | 567 if (!has_frame_ && stub->SometimesSetsUpAFrame()) return false; |
| 567 return allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe(); | 568 return allow_stub_calls_ || stub->CompilingCallsToThisStubIsGCSafe(isolate()); |
| 568 } | 569 } |
| 569 | 570 |
| 570 | 571 |
| 571 void MacroAssembler::IllegalOperation(int num_arguments) { | 572 void MacroAssembler::IllegalOperation(int num_arguments) { |
| 572 if (num_arguments > 0) { | 573 if (num_arguments > 0) { |
| 573 addq(rsp, Immediate(num_arguments * kPointerSize)); | 574 addq(rsp, Immediate(num_arguments * kPointerSize)); |
| 574 } | 575 } |
| 575 LoadRoot(rax, Heap::kUndefinedValueRootIndex); | 576 LoadRoot(rax, Heap::kUndefinedValueRootIndex); |
| 576 } | 577 } |
| 577 | 578 |
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| 4633 j(greater, &no_info_available); | 4634 j(greater, &no_info_available); |
| 4634 CompareRoot(MemOperand(scratch_reg, -AllocationSiteInfo::kSize), | 4635 CompareRoot(MemOperand(scratch_reg, -AllocationSiteInfo::kSize), |
| 4635 Heap::kAllocationSiteInfoMapRootIndex); | 4636 Heap::kAllocationSiteInfoMapRootIndex); |
| 4636 bind(&no_info_available); | 4637 bind(&no_info_available); |
| 4637 } | 4638 } |
| 4638 | 4639 |
| 4639 | 4640 |
| 4640 } } // namespace v8::internal | 4641 } } // namespace v8::internal |
| 4641 | 4642 |
| 4642 #endif // V8_TARGET_ARCH_X64 | 4643 #endif // V8_TARGET_ARCH_X64 |
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